Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 10 µF. 0.09 µF. 0.1 µF. 11 µF. 10 µF. 0.09 µF. 0.1 µF. 11 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. Negative Positive None of the listed here Negligible Negative Positive None of the listed here Negligible ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The problem of Electrostatic coupling in a transformer is acute at High load on the transformer Power frequencies High frequencies Low frequencies High load on the transformer Power frequencies High frequencies Low frequencies ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings One of the wattmeters will read zero Pressure coil of the wattmeter will become ineffective. One of the wattmeter connections will have to be reversed Both give the same readings ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Fluid friction damping None of these Air friction damping Eddy current damping Fluid friction damping None of these Air friction damping Eddy current damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many time-base circuits does a dual face CRO can have? 1. 2. 4. 3. 1. 2. 4. 3. ANSWER DOWNLOAD EXAMIANS APP
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